[Code of Federal Regulations] [Title 21, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR60.26] [Page 321] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES PART 60_PATENT TERM RESTORATION--Table of Contents Subpart C_Regulatory Review Period Determinations Sec. 60.26 Final action on regulatory review period determinations. (a) FDA will consider a regulatory review period determination to be final upon expiration of the 180-day period for filing a due diligence petition under Sec. 60.30 unless FDA receives: (1) New information from PTO records, FDA records, or FDA centers that affects the regulatory review period determination; (2) A request under Sec. 60.24 for revision of the regulatory review period determination; (3) A due diligence petition filed under Sec. 60.30; or (4) A request for a hearing filed under Sec. 60.40. (b) FDA will notify PTO that the regulatory review period determination is final upon: (1) The expiration of the 180-day period for filing a due diligence petition; or (2) If FDA has received a request for a revision, a due diligence petition, or a request for a hearing, upon resolution of the request for a revision, the petition, or the hearing, whichever is later. FDA will send a copy of the notification to the applicant and file a copy of the notification in the docket established for the application in FDA's Division of Dockets Management (HFA-305), 5630 Fishers Lane, rm. 1061, Rockville, MD 20852. [53 FR 7305, Mar. 7, 1988, as amended at 59 FR 14364, Mar. 28, 1994]